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Add 4/30 and 3/84

4/30 + 3/84 is 71/420.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 30 and 84 is 420

    Next, find the equivalent fraction of both fractional numbers with denominator 420
  2. For the 1st fraction, since 30 × 14 = 420,
    4/30 = 4 × 14/30 × 14 = 56/420
  3. Likewise, for the 2nd fraction, since 84 × 5 = 420,
    3/84 = 3 × 5/84 × 5 = 15/420
  4. Add the two like fractions:
    56/420 + 15/420 = 56 + 15/420 = 71/420
  5. So, 4/30 + 3/84 = 71/420

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